{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"862cbc8b42b8eb46e9cceda9c9be5fe8db51f7921b43104f4feed9fc2bd531d6","created":"2026-10-03T07:17:52Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"539e5579e4ee94e4fe32f5e8d10c247405142a5af5a3857c3de6f35cda736809","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"qi.macro-superpositions","field":"qi","n":"1","review_cite":"Pedalino, Ramirez-Galindo, Ferstl, Hornberger, Arndt, Gerlich, Probing quantum mechanics using nanoparticle Schrodinger cats, arXiv:2507.21211, 2025","review_link":"https://arxiv.org/abs/2507.21211","review_verified":"true","summary":"Atoms and molecules can be in two places at once, but everyday objects never are. Experiments put ever larger objects into superpositions to find whether quantum rules keep holding.","title":"Macroscopic superpositions and the quantum-classical boundary","topic_ref":null,"why":"A failure of superposition at some scale would show quantum theory is incomplete, and success extends quantum sensing to massive objects."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"da67c360563bebb459ce77935d96142fdf67da34e3b4e3efdde15ae56291e12f","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"16fd73a49bec4e34320072e637fe6fcb2339424ccebaea4fd98bd742609be07c","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"koS0Ytok6lGmuBwaW1eyWb08c4SfC5RZVfkbFMAKUUhvbaXtzvCjrzpJmikLlSNhB-OeBzV6vdhsIEbH8k56Cg"},"schema":"pubphys.envelope/1"},"record_hash":"da67c360563bebb459ce77935d96142fdf67da34e3b4e3efdde15ae56291e12f","leaf_index":336}